Top products relevant to Calendar, SMTP Servers, and Self-hosted Email

Products list improvements

Thank for using SaaSHub. We hope you find it useful. A lot of the information here is community driven, and while we will try to keep it up to date, we appreciate any help we can get. For example, if you think the details about a product are outdated, you can go to its page on SaaSHub and update it by using the "Edit" button. You don't need an account for that. Thank you for your help!